<?php

namespace backend\controllers\auth;

use backend\controllers\BaseController;
use mdm\admin\components\Configs;
use mdm\admin\components\Helper;
use mdm\admin\models\AuthItem;
use mdm\admin\models\searchs\AuthItem as AuthItemSearch;
use yii\base\NotSupportedException;
use yii\filters\VerbFilter;
use yii\rbac\Item;
use yii\web\NotFoundHttpException;

/**
 * Class ItemController
 * @package backend\controllers\auth
 */
class ItemController extends BaseController
{

    /**
     * @inheritdoc
     */
    public function behaviors()
    {
        return [
            'verbs' => [
                'class' => VerbFilter::className(),
                'actions' => [
                    'delete' => ['post'],
                    'assign' => ['post'],
                    'remove' => ['post'],
                ],
            ],
        ];
    }

    /**
     * Lists all AuthItem models.
     * @return mixed
     */
    public function actionIndex()
    {
        $searchModel = new AuthItemSearch(['type' => $this->type]);
        $dataProvider = $searchModel->search(request()->getQueryParams());

        return $this->render('index', [
            'dataProvider' => $dataProvider,
            'searchModel' => $searchModel,
        ]);
    }

    /**
     * Displays a single AuthItem model.
     * @param  string $id
     * @return mixed
     */
    public function actionView($id)
    {
        $this->layout       = '@backend/views/layouts/main-pop';

        $model = $this->findModel($id);

        return $this->render('view', ['model' => $model]);
    }

    /**
     * Creates a new AuthItem model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     * @return mixed
     */
    public function actionCreate()
    {
        $model = new AuthItem(null);
        $model->type = $this->type;
        if ($model->load(post()) && $model->save()) {
            return $this->closeWindows();
        } else {
            $this->layout       = '@backend/views/layouts/main-pop';
            return $this->render('create', ['model' => $model]);
        }
    }

    /**
     * actionUpdate
     * @param string $id
     * @return mixed|string|\yii\web\Response
     * @throws \yii\web\NotFoundHttpException
     */
    public function actionUpdate($id)
    {
        $model = $this->findModel($id);
        if ($model->load(post()) && $model->save()) {
            return $this->closeWindows();
        }
        $this->layout       = '@backend/views/layouts/main-pop';
        return $this->render('update', ['model' => $model]);
    }

    /**
     * Deletes an existing AuthItem model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param  string $id
     * @return mixed
     */
    public function actionDelete($id)
    {
        $model = $this->findModel($id);
        Configs::authManager()->remove($model->item);
        Helper::invalidate();

        return $this->redirect(['index']);
    }

    /**
     * Assign items
     * @param string $id
     * @return array
     */
    public function actionAssign($id)
    {
        $items = request()->post('items', []);
        $model = $this->findModel($id);
        $success = $model->addChildren($items);
        response()->format = 'json';

        return array_merge($model->getItems(), ['success' => $success]);
    }

    /**
     * Assign items
     * @param string $id
     * @return array
     */
    public function actionGetUsers($id)
    {
        $page = request()->get('page', 0);
        $model = $this->findModel($id);
        response()->format = 'json';

        return array_merge($model->getUsers($page));
    }

    /**
     * Assign or remove items
     * @param string $id
     * @return array
     */
    public function actionRemove($id)
    {
        $items = post('items', []);
        $model = $this->findModel($id);
        $success = $model->removeChildren($items);
        response()->format = 'json';

        return array_merge($model->getItems(), ['success' => $success]);
    }

    /**
     * @inheritdoc
     */
    public function getViewPath()
    {
        return $this->module->getViewPath() . DIRECTORY_SEPARATOR . 'auth' . DIRECTORY_SEPARATOR . 'item';
    }


    /**
     * Label use in view
     * @throws NotSupportedException
     */
    public function labels()
    {
        throw new NotSupportedException(get_class($this) . ' does not support labels().');
    }

    /**
     * Type of Auth Item.
     * @return integer
     */
    public function getType()
    {

    }

    /**
     * Finds the AuthItem model based on its primary key value.
     * If the model is not found, a 404 HTTP exception will be thrown.
     * @param string $id
     * @return AuthItem the loaded model
     * @throws NotFoundHttpException if the model cannot be found
     */
    protected function findModel($id)
    {
        $auth = Configs::authManager();
        $item = $this->type === Item::TYPE_ROLE ? $auth->getRole($id) : $auth->getPermission($id);
        if ($item) {
            return new AuthItem($item);
        } else {
            throw new NotFoundHttpException('The requested page does not exist.');
        }
    }
}
